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linux-zen-desktop/drivers/crypto/hisilicon/zip/zip_main.c

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Initial commit
2023-08-30 17:31:07 +02:00
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 HiSilicon Limited. */
#include <linux/acpi.h>
#include <linux/bitops.h>
#include <linux/debugfs.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/seq_file.h>
#include <linux/topology.h>
#include <linux/uacce.h>
#include "zip.h"
#define PCI_DEVICE_ID_HUAWEI_ZIP_PF 0xa250
#define HZIP_QUEUE_NUM_V1 4096
#define HZIP_CLOCK_GATE_CTRL 0x301004
#define HZIP_DECOMP_CHECK_ENABLE BIT(16)
#define HZIP_FSM_MAX_CNT 0x301008
#define HZIP_PORT_ARCA_CHE_0 0x301040
#define HZIP_PORT_ARCA_CHE_1 0x301044
#define HZIP_PORT_AWCA_CHE_0 0x301060
#define HZIP_PORT_AWCA_CHE_1 0x301064
#define HZIP_CACHE_ALL_EN 0xffffffff
#define HZIP_BD_RUSER_32_63 0x301110
#define HZIP_SGL_RUSER_32_63 0x30111c
#define HZIP_DATA_RUSER_32_63 0x301128
#define HZIP_DATA_WUSER_32_63 0x301134
#define HZIP_BD_WUSER_32_63 0x301140
#define HZIP_QM_IDEL_STATUS 0x3040e4
#define HZIP_CORE_DFX_BASE 0x301000
#define HZIP_CLOCK_GATED_CONTL 0X301004
#define HZIP_CORE_DFX_COMP_0 0x302000
#define HZIP_CORE_DFX_COMP_1 0x303000
#define HZIP_CORE_DFX_DECOMP_0 0x304000
#define HZIP_CORE_DFX_DECOMP_1 0x305000
#define HZIP_CORE_DFX_DECOMP_2 0x306000
#define HZIP_CORE_DFX_DECOMP_3 0x307000
#define HZIP_CORE_DFX_DECOMP_4 0x308000
#define HZIP_CORE_DFX_DECOMP_5 0x309000
#define HZIP_CORE_REGS_BASE_LEN 0xB0
#define HZIP_CORE_REGS_DFX_LEN 0x28
#define HZIP_CORE_INT_SOURCE 0x3010A0
#define HZIP_CORE_INT_MASK_REG 0x3010A4
#define HZIP_CORE_INT_SET 0x3010A8
#define HZIP_CORE_INT_STATUS 0x3010AC
#define HZIP_CORE_INT_STATUS_M_ECC BIT(1)
#define HZIP_CORE_SRAM_ECC_ERR_INFO 0x301148
#define HZIP_CORE_INT_RAS_CE_ENB 0x301160
#define HZIP_CORE_INT_RAS_NFE_ENB 0x301164
#define HZIP_CORE_INT_RAS_FE_ENB 0x301168
#define HZIP_CORE_INT_RAS_FE_ENB_MASK 0x0
#define HZIP_OOO_SHUTDOWN_SEL 0x30120C
#define HZIP_SRAM_ECC_ERR_NUM_SHIFT 16
#define HZIP_SRAM_ECC_ERR_ADDR_SHIFT 24
#define HZIP_CORE_INT_MASK_ALL GENMASK(12, 0)
#define HZIP_SQE_SIZE 128
#define HZIP_PF_DEF_Q_NUM 64
#define HZIP_PF_DEF_Q_BASE 0
#define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000
#define HZIP_SOFT_CTRL_CNT_CLR_CE_BIT BIT(0)
#define HZIP_SOFT_CTRL_ZIP_CONTROL 0x30100C
#define HZIP_AXI_SHUTDOWN_ENABLE BIT(14)
#define HZIP_WR_PORT BIT(11)
#define HZIP_DEV_ALG_MAX_LEN 256
#define HZIP_ALG_ZLIB_BIT GENMASK(1, 0)
#define HZIP_ALG_GZIP_BIT GENMASK(3, 2)
#define HZIP_ALG_DEFLATE_BIT GENMASK(5, 4)
#define HZIP_ALG_LZ77_BIT GENMASK(7, 6)
#define HZIP_BUF_SIZE 22
#define HZIP_SQE_MASK_OFFSET 64
#define HZIP_SQE_MASK_LEN 48
#define HZIP_CNT_CLR_CE_EN BIT(0)
#define HZIP_RO_CNT_CLR_CE_EN BIT(2)
#define HZIP_RD_CNT_CLR_CE_EN (HZIP_CNT_CLR_CE_EN | \
HZIP_RO_CNT_CLR_CE_EN)
#define HZIP_PREFETCH_CFG 0x3011B0
#define HZIP_SVA_TRANS 0x3011C4
#define HZIP_PREFETCH_ENABLE (~(BIT(26) | BIT(17) | BIT(0)))
#define HZIP_SVA_PREFETCH_DISABLE BIT(26)
#define HZIP_SVA_DISABLE_READY (BIT(26) | BIT(30))
#define HZIP_SHAPER_RATE_COMPRESS 750
#define HZIP_SHAPER_RATE_DECOMPRESS 140
#define HZIP_DELAY_1_US 1
#define HZIP_POLL_TIMEOUT_US 1000
/* clock gating */
#define HZIP_PEH_CFG_AUTO_GATE 0x3011A8
#define HZIP_PEH_CFG_AUTO_GATE_EN BIT(0)
#define HZIP_CORE_GATED_EN GENMASK(15, 8)
#define HZIP_CORE_GATED_OOO_EN BIT(29)
#define HZIP_CLOCK_GATED_EN (HZIP_CORE_GATED_EN | \
HZIP_CORE_GATED_OOO_EN)
static const char hisi_zip_name[] = "hisi_zip";
static struct dentry *hzip_debugfs_root;
struct hisi_zip_hw_error {
u32 int_msk;
const char *msg;
};
struct zip_dfx_item {
const char *name;
u32 offset;
};
struct zip_dev_alg {
u32 alg_msk;
const char *algs;
};
static const struct zip_dev_alg zip_dev_algs[] = { {
.alg_msk = HZIP_ALG_ZLIB_BIT,
.algs = "zlib\n",
}, {
.alg_msk = HZIP_ALG_GZIP_BIT,
.algs = "gzip\n",
}, {
.alg_msk = HZIP_ALG_DEFLATE_BIT,
.algs = "deflate\n",
}, {
.alg_msk = HZIP_ALG_LZ77_BIT,
.algs = "lz77_zstd\n",
},
};
static struct hisi_qm_list zip_devices = {
.register_to_crypto = hisi_zip_register_to_crypto,
.unregister_from_crypto = hisi_zip_unregister_from_crypto,
};
static struct zip_dfx_item zip_dfx_files[] = {
{"send_cnt", offsetof(struct hisi_zip_dfx, send_cnt)},
{"recv_cnt", offsetof(struct hisi_zip_dfx, recv_cnt)},
{"send_busy_cnt", offsetof(struct hisi_zip_dfx, send_busy_cnt)},
{"err_bd_cnt", offsetof(struct hisi_zip_dfx, err_bd_cnt)},
};
static const struct hisi_zip_hw_error zip_hw_error[] = {
{ .int_msk = BIT(0), .msg = "zip_ecc_1bitt_err" },
{ .int_msk = BIT(1), .msg = "zip_ecc_2bit_err" },
{ .int_msk = BIT(2), .msg = "zip_axi_rresp_err" },
{ .int_msk = BIT(3), .msg = "zip_axi_bresp_err" },
{ .int_msk = BIT(4), .msg = "zip_src_addr_parse_err" },
{ .int_msk = BIT(5), .msg = "zip_dst_addr_parse_err" },
{ .int_msk = BIT(6), .msg = "zip_pre_in_addr_err" },
{ .int_msk = BIT(7), .msg = "zip_pre_in_data_err" },
{ .int_msk = BIT(8), .msg = "zip_com_inf_err" },
{ .int_msk = BIT(9), .msg = "zip_enc_inf_err" },
{ .int_msk = BIT(10), .msg = "zip_pre_out_err" },
{ .int_msk = BIT(11), .msg = "zip_axi_poison_err" },
{ .int_msk = BIT(12), .msg = "zip_sva_err" },
{ /* sentinel */ }
};
enum ctrl_debug_file_index {
HZIP_CLEAR_ENABLE,
HZIP_DEBUG_FILE_NUM,
};
static const char * const ctrl_debug_file_name[] = {
[HZIP_CLEAR_ENABLE] = "clear_enable",
};
struct ctrl_debug_file {
enum ctrl_debug_file_index index;
spinlock_t lock;
struct hisi_zip_ctrl *ctrl;
};
/*
* One ZIP controller has one PF and multiple VFs, some global configurations
* which PF has need this structure.
*
* Just relevant for PF.
*/
struct hisi_zip_ctrl {
struct hisi_zip *hisi_zip;
struct ctrl_debug_file files[HZIP_DEBUG_FILE_NUM];
};
enum zip_cap_type {
ZIP_QM_NFE_MASK_CAP = 0x0,
ZIP_QM_RESET_MASK_CAP,
ZIP_QM_OOO_SHUTDOWN_MASK_CAP,
ZIP_QM_CE_MASK_CAP,
ZIP_NFE_MASK_CAP,
ZIP_RESET_MASK_CAP,
ZIP_OOO_SHUTDOWN_MASK_CAP,
ZIP_CE_MASK_CAP,
ZIP_CLUSTER_NUM_CAP,
ZIP_CORE_TYPE_NUM_CAP,
ZIP_CORE_NUM_CAP,
ZIP_CLUSTER_COMP_NUM_CAP,
ZIP_CLUSTER_DECOMP_NUM_CAP,
ZIP_DECOMP_ENABLE_BITMAP,
ZIP_COMP_ENABLE_BITMAP,
ZIP_DRV_ALG_BITMAP,
ZIP_DEV_ALG_BITMAP,
ZIP_CORE1_ALG_BITMAP,
ZIP_CORE2_ALG_BITMAP,
ZIP_CORE3_ALG_BITMAP,
ZIP_CORE4_ALG_BITMAP,
ZIP_CORE5_ALG_BITMAP,
ZIP_CAP_MAX
};
static struct hisi_qm_cap_info zip_basic_cap_info[] = {
{ZIP_QM_NFE_MASK_CAP, 0x3124, 0, GENMASK(31, 0), 0x0, 0x1C57, 0x7C77},
{ZIP_QM_RESET_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0xC57, 0x6C77},
{ZIP_QM_OOO_SHUTDOWN_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0x4, 0x6C77},
{ZIP_QM_CE_MASK_CAP, 0x312C, 0, GENMASK(31, 0), 0x0, 0x8, 0x8},
{ZIP_NFE_MASK_CAP, 0x3130, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x1FFE},
{ZIP_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x7FE},
{ZIP_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x2, 0x7FE},
{ZIP_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x1, 0x1},
{ZIP_CLUSTER_NUM_CAP, 0x313C, 28, GENMASK(3, 0), 0x1, 0x1, 0x1},
{ZIP_CORE_TYPE_NUM_CAP, 0x313C, 24, GENMASK(3, 0), 0x2, 0x2, 0x2},
{ZIP_CORE_NUM_CAP, 0x313C, 16, GENMASK(7, 0), 0x8, 0x8, 0x5},
{ZIP_CLUSTER_COMP_NUM_CAP, 0x313C, 8, GENMASK(7, 0), 0x2, 0x2, 0x2},
{ZIP_CLUSTER_DECOMP_NUM_CAP, 0x313C, 0, GENMASK(7, 0), 0x6, 0x6, 0x3},
{ZIP_DECOMP_ENABLE_BITMAP, 0x3140, 16, GENMASK(15, 0), 0xFC, 0xFC, 0x1C},
{ZIP_COMP_ENABLE_BITMAP, 0x3140, 0, GENMASK(15, 0), 0x3, 0x3, 0x3},
{ZIP_DRV_ALG_BITMAP, 0x3144, 0, GENMASK(31, 0), 0xF, 0xF, 0xF},
{ZIP_DEV_ALG_BITMAP, 0x3148, 0, GENMASK(31, 0), 0xF, 0xF, 0xFF},
{ZIP_CORE1_ALG_BITMAP, 0x314C, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5},
{ZIP_CORE2_ALG_BITMAP, 0x3150, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5},
{ZIP_CORE3_ALG_BITMAP, 0x3154, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A},
{ZIP_CORE4_ALG_BITMAP, 0x3158, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A},
{ZIP_CORE5_ALG_BITMAP, 0x315C, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A},
{ZIP_CAP_MAX, 0x317c, 0, GENMASK(0, 0), 0x0, 0x0, 0x0}
};
enum {
HZIP_COMP_CORE0,
HZIP_COMP_CORE1,
HZIP_DECOMP_CORE0,
HZIP_DECOMP_CORE1,
HZIP_DECOMP_CORE2,
HZIP_DECOMP_CORE3,
HZIP_DECOMP_CORE4,
HZIP_DECOMP_CORE5,
};
static const u64 core_offsets[] = {
[HZIP_COMP_CORE0] = 0x302000,
[HZIP_COMP_CORE1] = 0x303000,
[HZIP_DECOMP_CORE0] = 0x304000,
[HZIP_DECOMP_CORE1] = 0x305000,
[HZIP_DECOMP_CORE2] = 0x306000,
[HZIP_DECOMP_CORE3] = 0x307000,
[HZIP_DECOMP_CORE4] = 0x308000,
[HZIP_DECOMP_CORE5] = 0x309000,
};
static const struct debugfs_reg32 hzip_dfx_regs[] = {
{"HZIP_GET_BD_NUM ", 0x00ull},
{"HZIP_GET_RIGHT_BD ", 0x04ull},
{"HZIP_GET_ERROR_BD ", 0x08ull},
{"HZIP_DONE_BD_NUM ", 0x0cull},
{"HZIP_WORK_CYCLE ", 0x10ull},
{"HZIP_IDLE_CYCLE ", 0x18ull},
{"HZIP_MAX_DELAY ", 0x20ull},
{"HZIP_MIN_DELAY ", 0x24ull},
{"HZIP_AVG_DELAY ", 0x28ull},
{"HZIP_MEM_VISIBLE_DATA ", 0x30ull},
{"HZIP_MEM_VISIBLE_ADDR ", 0x34ull},
{"HZIP_CONSUMED_BYTE ", 0x38ull},
{"HZIP_PRODUCED_BYTE ", 0x40ull},
{"HZIP_COMP_INF ", 0x70ull},
{"HZIP_PRE_OUT ", 0x78ull},
{"HZIP_BD_RD ", 0x7cull},
{"HZIP_BD_WR ", 0x80ull},
{"HZIP_GET_BD_AXI_ERR_NUM ", 0x84ull},
{"HZIP_GET_BD_PARSE_ERR_NUM ", 0x88ull},
{"HZIP_ADD_BD_AXI_ERR_NUM ", 0x8cull},
{"HZIP_DECOMP_STF_RELOAD_CURR_ST ", 0x94ull},
{"HZIP_DECOMP_LZ77_CURR_ST ", 0x9cull},
};
static const struct debugfs_reg32 hzip_com_dfx_regs[] = {
{"HZIP_CLOCK_GATE_CTRL ", 0x301004},
{"HZIP_CORE_INT_RAS_CE_ENB ", 0x301160},
{"HZIP_CORE_INT_RAS_NFE_ENB ", 0x301164},
{"HZIP_CORE_INT_RAS_FE_ENB ", 0x301168},
{"HZIP_UNCOM_ERR_RAS_CTRL ", 0x30116C},
};
static const struct debugfs_reg32 hzip_dump_dfx_regs[] = {
{"HZIP_GET_BD_NUM ", 0x00ull},
{"HZIP_GET_RIGHT_BD ", 0x04ull},
{"HZIP_GET_ERROR_BD ", 0x08ull},
{"HZIP_DONE_BD_NUM ", 0x0cull},
{"HZIP_MAX_DELAY ", 0x20ull},
};
/* define the ZIP's dfx regs region and region length */
static struct dfx_diff_registers hzip_diff_regs[] = {
{
.reg_offset = HZIP_CORE_DFX_BASE,
.reg_len = HZIP_CORE_REGS_BASE_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_COMP_0,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_COMP_1,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_DECOMP_0,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_DECOMP_1,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_DECOMP_2,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_DECOMP_3,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_DECOMP_4,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
}, {
.reg_offset = HZIP_CORE_DFX_DECOMP_5,
.reg_len = HZIP_CORE_REGS_DFX_LEN,
},
};
static int hzip_diff_regs_show(struct seq_file *s, void *unused)
{
struct hisi_qm *qm = s->private;
hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.acc_diff_regs,
ARRAY_SIZE(hzip_diff_regs));
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hzip_diff_regs);
static const struct kernel_param_ops zip_uacce_mode_ops = {
.set = uacce_mode_set,
.get = param_get_int,
};
/*
* uacce_mode = 0 means zip only register to crypto,
* uacce_mode = 1 means zip both register to crypto and uacce.
*/
static u32 uacce_mode = UACCE_MODE_NOUACCE;
module_param_cb(uacce_mode, &zip_uacce_mode_ops, &uacce_mode, 0444);
MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC);
static int pf_q_num_set(const char *val, const struct kernel_param *kp)
{
return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_ZIP_PF);
}
static const struct kernel_param_ops pf_q_num_ops = {
.set = pf_q_num_set,
.get = param_get_int,
};
static u32 pf_q_num = HZIP_PF_DEF_Q_NUM;
module_param_cb(pf_q_num, &pf_q_num_ops, &pf_q_num, 0444);
MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 2-4096, v2 2-1024)");
static const struct kernel_param_ops vfs_num_ops = {
.set = vfs_num_set,
.get = param_get_int,
};
static u32 vfs_num;
module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444);
MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)");
static const struct pci_device_id hisi_zip_dev_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_PF) },
{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_VF) },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, hisi_zip_dev_ids);
int zip_create_qps(struct hisi_qp **qps, int qp_num, int node)
{
if (node == NUMA_NO_NODE)
node = cpu_to_node(smp_processor_id());
return hisi_qm_alloc_qps_node(&zip_devices, qp_num, 0, node, qps);
}
bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg)
{
u32 cap_val;
cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DRV_ALG_BITMAP, qm->cap_ver);
if ((alg & cap_val) == alg)
return true;
return false;
}
static int hisi_zip_set_qm_algs(struct hisi_qm *qm)
{
struct device *dev = &qm->pdev->dev;
char *algs, *ptr;
u32 alg_mask;
int i;
if (!qm->use_sva)
return 0;
algs = devm_kzalloc(dev, HZIP_DEV_ALG_MAX_LEN * sizeof(char), GFP_KERNEL);
if (!algs)
return -ENOMEM;
alg_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DEV_ALG_BITMAP, qm->cap_ver);
for (i = 0; i < ARRAY_SIZE(zip_dev_algs); i++)
if (alg_mask & zip_dev_algs[i].alg_msk)
strcat(algs, zip_dev_algs[i].algs);
ptr = strrchr(algs, '\n');
if (ptr)
*ptr = '\0';
qm->uacce->algs = algs;
return 0;
}
static void hisi_zip_open_sva_prefetch(struct hisi_qm *qm)
{
u32 val;
int ret;
if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps))
return;
/* Enable prefetch */
val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG);
val &= HZIP_PREFETCH_ENABLE;
writel(val, qm->io_base + HZIP_PREFETCH_CFG);
ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_PREFETCH_CFG,
val, !(val & HZIP_SVA_PREFETCH_DISABLE),
HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US);
if (ret)
pci_err(qm->pdev, "failed to open sva prefetch\n");
}
static void hisi_zip_close_sva_prefetch(struct hisi_qm *qm)
{
u32 val;
int ret;
if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps))
return;
val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG);
val |= HZIP_SVA_PREFETCH_DISABLE;
writel(val, qm->io_base + HZIP_PREFETCH_CFG);
ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_SVA_TRANS,
val, !(val & HZIP_SVA_DISABLE_READY),
HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US);
if (ret)
pci_err(qm->pdev, "failed to close sva prefetch\n");
}
static void hisi_zip_enable_clock_gate(struct hisi_qm *qm)
{
u32 val;
if (qm->ver < QM_HW_V3)
return;
val = readl(qm->io_base + HZIP_CLOCK_GATE_CTRL);
val |= HZIP_CLOCK_GATED_EN;
writel(val, qm->io_base + HZIP_CLOCK_GATE_CTRL);
val = readl(qm->io_base + HZIP_PEH_CFG_AUTO_GATE);
val |= HZIP_PEH_CFG_AUTO_GATE_EN;
writel(val, qm->io_base + HZIP_PEH_CFG_AUTO_GATE);
}
static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm)
{
void __iomem *base = qm->io_base;
u32 dcomp_bm, comp_bm;
/* qm user domain */
writel(AXUSER_BASE, base + QM_ARUSER_M_CFG_1);
writel(ARUSER_M_CFG_ENABLE, base + QM_ARUSER_M_CFG_ENABLE);
writel(AXUSER_BASE, base + QM_AWUSER_M_CFG_1);
writel(AWUSER_M_CFG_ENABLE, base + QM_AWUSER_M_CFG_ENABLE);
writel(WUSER_M_CFG_ENABLE, base + QM_WUSER_M_CFG_ENABLE);
/* qm cache */
writel(AXI_M_CFG, base + QM_AXI_M_CFG);
writel(AXI_M_CFG_ENABLE, base + QM_AXI_M_CFG_ENABLE);
/* disable FLR triggered by BME(bus master enable) */
writel(PEH_AXUSER_CFG, base + QM_PEH_AXUSER_CFG);
writel(PEH_AXUSER_CFG_ENABLE, base + QM_PEH_AXUSER_CFG_ENABLE);
/* cache */
writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_0);
writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_1);
writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_0);
writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_1);
/* user domain configurations */
writel(AXUSER_BASE, base + HZIP_BD_RUSER_32_63);
writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63);
if (qm->use_sva && qm->ver == QM_HW_V2) {
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_RUSER_32_63);
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_WUSER_32_63);
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_SGL_RUSER_32_63);
} else {
writel(AXUSER_BASE, base + HZIP_DATA_RUSER_32_63);
writel(AXUSER_BASE, base + HZIP_DATA_WUSER_32_63);
writel(AXUSER_BASE, base + HZIP_SGL_RUSER_32_63);
}
/* let's open all compression/decompression cores */
dcomp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_DECOMP_ENABLE_BITMAP, qm->cap_ver);
comp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_COMP_ENABLE_BITMAP, qm->cap_ver);
writel(HZIP_DECOMP_CHECK_ENABLE | dcomp_bm | comp_bm, base + HZIP_CLOCK_GATE_CTRL);
/* enable sqc,cqc writeback */
writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE |
CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) |
FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL);
hisi_zip_enable_clock_gate(qm);
return 0;
}
static void hisi_zip_master_ooo_ctrl(struct hisi_qm *qm, bool enable)
{
u32 val1, val2;
val1 = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
if (enable) {
val1 |= HZIP_AXI_SHUTDOWN_ENABLE;
val2 = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
} else {
val1 &= ~HZIP_AXI_SHUTDOWN_ENABLE;
val2 = 0x0;
}
if (qm->ver > QM_HW_V2)
writel(val2, qm->io_base + HZIP_OOO_SHUTDOWN_SEL);
writel(val1, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
}
static void hisi_zip_hw_error_enable(struct hisi_qm *qm)
{
u32 nfe, ce;
if (qm->ver == QM_HW_V1) {
writel(HZIP_CORE_INT_MASK_ALL,
qm->io_base + HZIP_CORE_INT_MASK_REG);
dev_info(&qm->pdev->dev, "Does not support hw error handle\n");
return;
}
nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver);
ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver);
/* clear ZIP hw error source if having */
writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_SOURCE);
/* configure error type */
writel(ce, qm->io_base + HZIP_CORE_INT_RAS_CE_ENB);
writel(HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_RAS_FE_ENB);
writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
hisi_zip_master_ooo_ctrl(qm, true);
/* enable ZIP hw error interrupts */
writel(0, qm->io_base + HZIP_CORE_INT_MASK_REG);
}
static void hisi_zip_hw_error_disable(struct hisi_qm *qm)
{
u32 nfe, ce;
/* disable ZIP hw error interrupts */
nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver);
ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver);
writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_MASK_REG);
hisi_zip_master_ooo_ctrl(qm, false);
}
static inline struct hisi_qm *file_to_qm(struct ctrl_debug_file *file)
{
struct hisi_zip *hisi_zip = file->ctrl->hisi_zip;
return &hisi_zip->qm;
}
static u32 clear_enable_read(struct hisi_qm *qm)
{
return readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) &
HZIP_SOFT_CTRL_CNT_CLR_CE_BIT;
}
static int clear_enable_write(struct hisi_qm *qm, u32 val)
{
u32 tmp;
if (val != 1 && val != 0)
return -EINVAL;
tmp = (readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) &
~HZIP_SOFT_CTRL_CNT_CLR_CE_BIT) | val;
writel(tmp, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE);
return 0;
}
static ssize_t hisi_zip_ctrl_debug_read(struct file *filp, char __user *buf,
size_t count, loff_t *pos)
{
struct ctrl_debug_file *file = filp->private_data;
struct hisi_qm *qm = file_to_qm(file);
char tbuf[HZIP_BUF_SIZE];
u32 val;
int ret;
ret = hisi_qm_get_dfx_access(qm);
if (ret)
return ret;
spin_lock_irq(&file->lock);
switch (file->index) {
case HZIP_CLEAR_ENABLE:
val = clear_enable_read(qm);
break;
default:
goto err_input;
}
spin_unlock_irq(&file->lock);
hisi_qm_put_dfx_access(qm);
ret = scnprintf(tbuf, sizeof(tbuf), "%u\n", val);
return simple_read_from_buffer(buf, count, pos, tbuf, ret);
err_input:
spin_unlock_irq(&file->lock);
hisi_qm_put_dfx_access(qm);
return -EINVAL;
}
static ssize_t hisi_zip_ctrl_debug_write(struct file *filp,
const char __user *buf,
size_t count, loff_t *pos)
{
struct ctrl_debug_file *file = filp->private_data;
struct hisi_qm *qm = file_to_qm(file);
char tbuf[HZIP_BUF_SIZE];
unsigned long val;
int len, ret;
if (*pos != 0)
return 0;
if (count >= HZIP_BUF_SIZE)
return -ENOSPC;
len = simple_write_to_buffer(tbuf, HZIP_BUF_SIZE - 1, pos, buf, count);
if (len < 0)
return len;
tbuf[len] = '\0';
ret = kstrtoul(tbuf, 0, &val);
if (ret)
return ret;
ret = hisi_qm_get_dfx_access(qm);
if (ret)
return ret;
spin_lock_irq(&file->lock);
switch (file->index) {
case HZIP_CLEAR_ENABLE:
ret = clear_enable_write(qm, val);
if (ret)
goto err_input;
break;
default:
ret = -EINVAL;
goto err_input;
}
ret = count;
err_input:
spin_unlock_irq(&file->lock);
hisi_qm_put_dfx_access(qm);
return ret;
}
static const struct file_operations ctrl_debug_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.read = hisi_zip_ctrl_debug_read,
.write = hisi_zip_ctrl_debug_write,
};
static int zip_debugfs_atomic64_set(void *data, u64 val)
{
if (val)
return -EINVAL;
atomic64_set((atomic64_t *)data, 0);
return 0;
}
static int zip_debugfs_atomic64_get(void *data, u64 *val)
{
*val = atomic64_read((atomic64_t *)data);
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(zip_atomic64_ops, zip_debugfs_atomic64_get,
zip_debugfs_atomic64_set, "%llu\n");
static int hisi_zip_regs_show(struct seq_file *s, void *unused)
{
hisi_qm_regs_dump(s, s->private);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hisi_zip_regs);
static int hisi_zip_core_debug_init(struct hisi_qm *qm)
{
u32 zip_core_num, zip_comp_core_num;
struct device *dev = &qm->pdev->dev;
struct debugfs_regset32 *regset;
struct dentry *tmp_d;
char buf[HZIP_BUF_SIZE];
int i;
zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver);
zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP,
qm->cap_ver);
for (i = 0; i < zip_core_num; i++) {
if (i < zip_comp_core_num)
scnprintf(buf, sizeof(buf), "comp_core%d", i);
else
scnprintf(buf, sizeof(buf), "decomp_core%d",
i - zip_comp_core_num);
regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
if (!regset)
return -ENOENT;
regset->regs = hzip_dfx_regs;
regset->nregs = ARRAY_SIZE(hzip_dfx_regs);
regset->base = qm->io_base + core_offsets[i];
regset->dev = dev;
tmp_d = debugfs_create_dir(buf, qm->debug.debug_root);
debugfs_create_file("regs", 0444, tmp_d, regset,
&hisi_zip_regs_fops);
}
return 0;
}
static void hisi_zip_dfx_debug_init(struct hisi_qm *qm)
{
struct dfx_diff_registers *hzip_regs = qm->debug.acc_diff_regs;
struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm);
struct hisi_zip_dfx *dfx = &zip->dfx;
struct dentry *tmp_dir;
void *data;
int i;
tmp_dir = debugfs_create_dir("zip_dfx", qm->debug.debug_root);
for (i = 0; i < ARRAY_SIZE(zip_dfx_files); i++) {
data = (atomic64_t *)((uintptr_t)dfx + zip_dfx_files[i].offset);
debugfs_create_file(zip_dfx_files[i].name,
0644, tmp_dir, data,
&zip_atomic64_ops);
}
if (qm->fun_type == QM_HW_PF && hzip_regs)
debugfs_create_file("diff_regs", 0444, tmp_dir,
qm, &hzip_diff_regs_fops);
}
static int hisi_zip_ctrl_debug_init(struct hisi_qm *qm)
{
struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm);
int i;
for (i = HZIP_CLEAR_ENABLE; i < HZIP_DEBUG_FILE_NUM; i++) {
spin_lock_init(&zip->ctrl->files[i].lock);
zip->ctrl->files[i].ctrl = zip->ctrl;
zip->ctrl->files[i].index = i;
debugfs_create_file(ctrl_debug_file_name[i], 0600,
qm->debug.debug_root,
zip->ctrl->files + i,
&ctrl_debug_fops);
}
return hisi_zip_core_debug_init(qm);
}
static int hisi_zip_debugfs_init(struct hisi_qm *qm)
{
struct device *dev = &qm->pdev->dev;
struct dentry *dev_d;
int ret;
dev_d = debugfs_create_dir(dev_name(dev), hzip_debugfs_root);
qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET;
qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN;
qm->debug.debug_root = dev_d;
ret = hisi_qm_regs_debugfs_init(qm, hzip_diff_regs, ARRAY_SIZE(hzip_diff_regs));
if (ret) {
dev_warn(dev, "Failed to init ZIP diff regs!\n");
goto debugfs_remove;
}
hisi_qm_debug_init(qm);
if (qm->fun_type == QM_HW_PF) {
ret = hisi_zip_ctrl_debug_init(qm);
if (ret)
goto failed_to_create;
}
hisi_zip_dfx_debug_init(qm);
return 0;
failed_to_create:
hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs));
debugfs_remove:
debugfs_remove_recursive(hzip_debugfs_root);
return ret;
}
/* hisi_zip_debug_regs_clear() - clear the zip debug regs */
static void hisi_zip_debug_regs_clear(struct hisi_qm *qm)
{
int i, j;
/* enable register read_clear bit */
writel(HZIP_RD_CNT_CLR_CE_EN, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE);
for (i = 0; i < ARRAY_SIZE(core_offsets); i++)
for (j = 0; j < ARRAY_SIZE(hzip_dfx_regs); j++)
readl(qm->io_base + core_offsets[i] +
hzip_dfx_regs[j].offset);
/* disable register read_clear bit */
writel(0x0, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE);
hisi_qm_debug_regs_clear(qm);
}
static void hisi_zip_debugfs_exit(struct hisi_qm *qm)
{
hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs));
debugfs_remove_recursive(qm->debug.debug_root);
if (qm->fun_type == QM_HW_PF) {
hisi_zip_debug_regs_clear(qm);
qm->debug.curr_qm_qp_num = 0;
}
}
static int hisi_zip_show_last_regs_init(struct hisi_qm *qm)
{
int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs);
int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs);
struct qm_debug *debug = &qm->debug;
void __iomem *io_base;
u32 zip_core_num;
int i, j, idx;
zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver);
debug->last_words = kcalloc(core_dfx_regs_num * zip_core_num + com_dfx_regs_num,
sizeof(unsigned int), GFP_KERNEL);
if (!debug->last_words)
return -ENOMEM;
for (i = 0; i < com_dfx_regs_num; i++) {
io_base = qm->io_base + hzip_com_dfx_regs[i].offset;
debug->last_words[i] = readl_relaxed(io_base);
}
for (i = 0; i < zip_core_num; i++) {
io_base = qm->io_base + core_offsets[i];
for (j = 0; j < core_dfx_regs_num; j++) {
idx = com_dfx_regs_num + i * core_dfx_regs_num + j;
debug->last_words[idx] = readl_relaxed(
io_base + hzip_dump_dfx_regs[j].offset);
}
}
return 0;
}
static void hisi_zip_show_last_regs_uninit(struct hisi_qm *qm)
{
struct qm_debug *debug = &qm->debug;
if (qm->fun_type == QM_HW_VF || !debug->last_words)
return;
kfree(debug->last_words);
debug->last_words = NULL;
}
static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm)
{
int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs);
int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs);
u32 zip_core_num, zip_comp_core_num;
struct qm_debug *debug = &qm->debug;
char buf[HZIP_BUF_SIZE];
void __iomem *base;
int i, j, idx;
u32 val;
if (qm->fun_type == QM_HW_VF || !debug->last_words)
return;
for (i = 0; i < com_dfx_regs_num; i++) {
val = readl_relaxed(qm->io_base + hzip_com_dfx_regs[i].offset);
if (debug->last_words[i] != val)
pci_info(qm->pdev, "com_dfx: %s \t= 0x%08x => 0x%08x\n",
hzip_com_dfx_regs[i].name, debug->last_words[i], val);
}
zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver);
zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP,
qm->cap_ver);
for (i = 0; i < zip_core_num; i++) {
if (i < zip_comp_core_num)
scnprintf(buf, sizeof(buf), "Comp_core-%d", i);
else
scnprintf(buf, sizeof(buf), "Decomp_core-%d",
i - zip_comp_core_num);
base = qm->io_base + core_offsets[i];
pci_info(qm->pdev, "==>%s:\n", buf);
/* dump last word for dfx regs during control resetting */
for (j = 0; j < core_dfx_regs_num; j++) {
idx = com_dfx_regs_num + i * core_dfx_regs_num + j;
val = readl_relaxed(base + hzip_dump_dfx_regs[j].offset);
if (debug->last_words[idx] != val)
pci_info(qm->pdev, "%s \t= 0x%08x => 0x%08x\n",
hzip_dump_dfx_regs[j].name,
debug->last_words[idx], val);
}
}
}
static void hisi_zip_log_hw_error(struct hisi_qm *qm, u32 err_sts)
{
const struct hisi_zip_hw_error *err = zip_hw_error;
struct device *dev = &qm->pdev->dev;
u32 err_val;
while (err->msg) {
if (err->int_msk & err_sts) {
dev_err(dev, "%s [error status=0x%x] found\n",
err->msg, err->int_msk);
if (err->int_msk & HZIP_CORE_INT_STATUS_M_ECC) {
err_val = readl(qm->io_base +
HZIP_CORE_SRAM_ECC_ERR_INFO);
dev_err(dev, "hisi-zip multi ecc sram num=0x%x\n",
((err_val >>
HZIP_SRAM_ECC_ERR_NUM_SHIFT) & 0xFF));
}
}
err++;
}
}
static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm)
{
return readl(qm->io_base + HZIP_CORE_INT_STATUS);
}
static void hisi_zip_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
{
u32 nfe;
writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE);
nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver);
writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
}
static void hisi_zip_open_axi_master_ooo(struct hisi_qm *qm)
{
u32 val;
val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
writel(val & ~HZIP_AXI_SHUTDOWN_ENABLE,
qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
writel(val | HZIP_AXI_SHUTDOWN_ENABLE,
qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
}
static void hisi_zip_close_axi_master_ooo(struct hisi_qm *qm)
{
u32 nfe_enb;
/* Disable ECC Mbit error report. */
nfe_enb = readl(qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
writel(nfe_enb & ~HZIP_CORE_INT_STATUS_M_ECC,
qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
/* Inject zip ECC Mbit error to block master ooo. */
writel(HZIP_CORE_INT_STATUS_M_ECC,
qm->io_base + HZIP_CORE_INT_SET);
}
static void hisi_zip_err_info_init(struct hisi_qm *qm)
{
struct hisi_qm_err_info *err_info = &qm->err_info;
err_info->fe = HZIP_CORE_INT_RAS_FE_ENB_MASK;
err_info->ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_CE_MASK_CAP, qm->cap_ver);
err_info->nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_QM_NFE_MASK_CAP, qm->cap_ver);
err_info->ecc_2bits_mask = HZIP_CORE_INT_STATUS_M_ECC;
err_info->qm_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_QM_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
err_info->dev_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
err_info->qm_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_QM_RESET_MASK_CAP, qm->cap_ver);
err_info->dev_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
ZIP_RESET_MASK_CAP, qm->cap_ver);
err_info->msi_wr_port = HZIP_WR_PORT;
err_info->acpi_rst = "ZRST";
}
static const struct hisi_qm_err_ini hisi_zip_err_ini = {
.hw_init = hisi_zip_set_user_domain_and_cache,
.hw_err_enable = hisi_zip_hw_error_enable,
.hw_err_disable = hisi_zip_hw_error_disable,
.get_dev_hw_err_status = hisi_zip_get_hw_err_status,
.clear_dev_hw_err_status = hisi_zip_clear_hw_err_status,
.log_dev_hw_err = hisi_zip_log_hw_error,
.open_axi_master_ooo = hisi_zip_open_axi_master_ooo,
.close_axi_master_ooo = hisi_zip_close_axi_master_ooo,
.open_sva_prefetch = hisi_zip_open_sva_prefetch,
.close_sva_prefetch = hisi_zip_close_sva_prefetch,
.show_last_dfx_regs = hisi_zip_show_last_dfx_regs,
.err_info_init = hisi_zip_err_info_init,
};
static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip)
{
struct hisi_qm *qm = &hisi_zip->qm;
struct hisi_zip_ctrl *ctrl;
int ret;
ctrl = devm_kzalloc(&qm->pdev->dev, sizeof(*ctrl), GFP_KERNEL);
if (!ctrl)
return -ENOMEM;
hisi_zip->ctrl = ctrl;
ctrl->hisi_zip = hisi_zip;
qm->err_ini = &hisi_zip_err_ini;
qm->err_ini->err_info_init(qm);
ret = hisi_zip_set_user_domain_and_cache(qm);
if (ret)
return ret;
hisi_zip_open_sva_prefetch(qm);
hisi_qm_dev_err_init(qm);
hisi_zip_debug_regs_clear(qm);
ret = hisi_zip_show_last_regs_init(qm);
if (ret)
pci_err(qm->pdev, "Failed to init last word regs!\n");
return ret;
}
static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
{
int ret;
qm->pdev = pdev;
qm->ver = pdev->revision;
qm->mode = uacce_mode;
qm->sqe_size = HZIP_SQE_SIZE;
qm->dev_name = hisi_zip_name;
qm->fun_type = (pdev->device == PCI_DEVICE_ID_HUAWEI_ZIP_PF) ?
QM_HW_PF : QM_HW_VF;
if (qm->fun_type == QM_HW_PF) {
qm->qp_base = HZIP_PF_DEF_Q_BASE;
qm->qp_num = pf_q_num;
qm->debug.curr_qm_qp_num = pf_q_num;
qm->qm_list = &zip_devices;
} else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) {
/*
* have no way to get qm configure in VM in v1 hardware,
* so currently force PF to uses HZIP_PF_DEF_Q_NUM, and force
* to trigger only one VF in v1 hardware.
*
* v2 hardware has no such problem.
*/
qm->qp_base = HZIP_PF_DEF_Q_NUM;
qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM;
}
ret = hisi_qm_init(qm);
if (ret) {
pci_err(qm->pdev, "Failed to init zip qm configures!\n");
return ret;
}
ret = hisi_zip_set_qm_algs(qm);
if (ret) {
pci_err(qm->pdev, "Failed to set zip algs!\n");
hisi_qm_uninit(qm);
}
return ret;
}
static void hisi_zip_qm_uninit(struct hisi_qm *qm)
{
hisi_qm_uninit(qm);
}
static int hisi_zip_probe_init(struct hisi_zip *hisi_zip)
{
u32 type_rate = HZIP_SHAPER_RATE_COMPRESS;
struct hisi_qm *qm = &hisi_zip->qm;
int ret;
if (qm->fun_type == QM_HW_PF) {
ret = hisi_zip_pf_probe_init(hisi_zip);
if (ret)
return ret;
/* enable shaper type 0 */
if (qm->ver >= QM_HW_V3) {
type_rate |= QM_SHAPER_ENABLE;
/* ZIP need to enable shaper type 1 */
type_rate |= HZIP_SHAPER_RATE_DECOMPRESS << QM_SHAPER_TYPE1_OFFSET;
qm->type_rate = type_rate;
}
}
return 0;
}
static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct hisi_zip *hisi_zip;
struct hisi_qm *qm;
int ret;
hisi_zip = devm_kzalloc(&pdev->dev, sizeof(*hisi_zip), GFP_KERNEL);
if (!hisi_zip)
return -ENOMEM;
qm = &hisi_zip->qm;
ret = hisi_zip_qm_init(qm, pdev);
if (ret) {
pci_err(pdev, "Failed to init ZIP QM (%d)!\n", ret);
return ret;
}
ret = hisi_zip_probe_init(hisi_zip);
if (ret) {
pci_err(pdev, "Failed to probe (%d)!\n", ret);
goto err_qm_uninit;
}
ret = hisi_qm_start(qm);
if (ret)
goto err_dev_err_uninit;
ret = hisi_zip_debugfs_init(qm);
if (ret)
pci_err(pdev, "failed to init debugfs (%d)!\n", ret);
ret = hisi_qm_alg_register(qm, &zip_devices);
if (ret < 0) {
pci_err(pdev, "failed to register driver to crypto!\n");
goto err_qm_stop;
}
if (qm->uacce) {
ret = uacce_register(qm->uacce);
if (ret) {
pci_err(pdev, "failed to register uacce (%d)!\n", ret);
goto err_qm_alg_unregister;
}
}
if (qm->fun_type == QM_HW_PF && vfs_num > 0) {
ret = hisi_qm_sriov_enable(pdev, vfs_num);
if (ret < 0)
goto err_qm_alg_unregister;
}
hisi_qm_pm_init(qm);
return 0;
err_qm_alg_unregister:
hisi_qm_alg_unregister(qm, &zip_devices);
err_qm_stop:
hisi_zip_debugfs_exit(qm);
hisi_qm_stop(qm, QM_NORMAL);
err_dev_err_uninit:
hisi_zip_show_last_regs_uninit(qm);
hisi_qm_dev_err_uninit(qm);
err_qm_uninit:
hisi_zip_qm_uninit(qm);
return ret;
}
static void hisi_zip_remove(struct pci_dev *pdev)
{
struct hisi_qm *qm = pci_get_drvdata(pdev);
hisi_qm_pm_uninit(qm);
hisi_qm_wait_task_finish(qm, &zip_devices);
hisi_qm_alg_unregister(qm, &zip_devices);
if (qm->fun_type == QM_HW_PF && qm->vfs_num)
hisi_qm_sriov_disable(pdev, true);
hisi_zip_debugfs_exit(qm);
hisi_qm_stop(qm, QM_NORMAL);
hisi_zip_show_last_regs_uninit(qm);
hisi_qm_dev_err_uninit(qm);
hisi_zip_qm_uninit(qm);
}
static const struct dev_pm_ops hisi_zip_pm_ops = {
SET_RUNTIME_PM_OPS(hisi_qm_suspend, hisi_qm_resume, NULL)
};
static const struct pci_error_handlers hisi_zip_err_handler = {
.error_detected = hisi_qm_dev_err_detected,
.slot_reset = hisi_qm_dev_slot_reset,
.reset_prepare = hisi_qm_reset_prepare,
.reset_done = hisi_qm_reset_done,
};
static struct pci_driver hisi_zip_pci_driver = {
.name = "hisi_zip",
.id_table = hisi_zip_dev_ids,
.probe = hisi_zip_probe,
.remove = hisi_zip_remove,
.sriov_configure = IS_ENABLED(CONFIG_PCI_IOV) ?
hisi_qm_sriov_configure : NULL,
.err_handler = &hisi_zip_err_handler,
.shutdown = hisi_qm_dev_shutdown,
.driver.pm = &hisi_zip_pm_ops,
};
struct pci_driver *hisi_zip_get_pf_driver(void)
{
return &hisi_zip_pci_driver;
}
EXPORT_SYMBOL_GPL(hisi_zip_get_pf_driver);
static void hisi_zip_register_debugfs(void)
{
if (!debugfs_initialized())
return;
hzip_debugfs_root = debugfs_create_dir("hisi_zip", NULL);
}
static void hisi_zip_unregister_debugfs(void)
{
debugfs_remove_recursive(hzip_debugfs_root);
}
static int __init hisi_zip_init(void)
{
int ret;
hisi_qm_init_list(&zip_devices);
hisi_zip_register_debugfs();
ret = pci_register_driver(&hisi_zip_pci_driver);
if (ret < 0) {
hisi_zip_unregister_debugfs();
pr_err("Failed to register pci driver.\n");
}
return ret;
}
static void __exit hisi_zip_exit(void)
{
pci_unregister_driver(&hisi_zip_pci_driver);
hisi_zip_unregister_debugfs();
}
module_init(hisi_zip_init);
module_exit(hisi_zip_exit);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
MODULE_DESCRIPTION("Driver for HiSilicon ZIP accelerator");